// Copyright 2023 Zilliz
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package filter

import (
	"github.com/apache/arrow/go/v12/arrow"
	"github.com/apache/arrow/go/v12/parquet/metadata"
	"github.com/bits-and-blooms/bitset"
)

type FilterType int8

const (
	And FilterType = iota
	Or
	Constant
	Range
)

type Filter interface {
	CheckStatistics(metadata.TypedStatistics) bool
	Type() FilterType
	Apply(colData arrow.Array, filterBitSet *bitset.BitSet)
	GetColumnName() string
}

type ComparisonType int8

const (
	Equal ComparisonType = iota
	NotEqual
	LessThan
	LessThanOrEqual
	GreaterThan
	GreaterThanOrEqual
)
